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ACT (RS) ABB Loco (English) (26. PASSING NEUTRAL SECTION)

January 10, 2021, 12:18 PM
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PASSING NEUTRAL SECTION ( SU ) 
Before approaching neutral section:
1-Ensure that MR pressure is between 8.5 to 10 kg/cm2
2-Bring TE / BE throttle to ‘0” gradually before 250M board.
3-At DJ open board, open DJ by BLDJ, LSDJ will glow, Aux. sound will stop, but U meter will show OHE supply.
4-At actual neutral section location, OHE meter will comes down to “0” and will shoot up when neutral section over.
5-In PTFE type neutral section, at higher speed, needle will just fluctuate.
6. At DJ close board close VCB (DJ), and resume normal traction. In case MU operation
a)The command from the master locomotive to switch the main circuit breaker “ON”, “OFF” also controls the main circuit breaker on the slave loco.
b)The VCB of the slave loco is switched on after a delay of 0.5 seconds following the switch on of the master loco. When switching off, there is no delay.
c)While passing neutral section follow the procedure mentioned for SU, but DJ should be closed after passing one mast after DJ close board.
 

 

 

 
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This entry was posted in 2 Railway Employee, 7 Study Material & Guide, ABB Loco, AC Traction - Locomotive, Railway Employee